Jeep Cherokee 2014–2015 — technical service bulletin
Bulletin D-15-21 · NHTSA communication 10159896 · issued Nov 2, 2015
Technical service bulletin
communication type
Power Train
component
2014–2015
model years
2
vehicle entries
Official summary
Powertrain Service Center-Pre-Authorization Program Updaves - 8-Speed, 9-Speed / TREMEC Assemblies
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.